The following example demonstrates how to serve JSON response from the Node.js web server. It will display "Invalid Request" for all requests other than the above URLs. Create Node.js Web Server Node.js makes it easy to create a simple web server that processes incoming requests asynchronously. Create a new file named index.ts and add the following code to the file. Ensure you are still in the typescript-nodejs directory. In this section, you create a simple web server. Now that your development environment is completely configured, you’re ready to write some code and run it. You can use IIS or Apache to run Node.js web application but it is recommended to use Node.js web server. Create a TypeScript, Node.js and Express Web Server Example. The same way, point your browser to and see the following result. Node.js provides capabilities to create your own web server which will handle HTTP requests asynchronously. To test it, you can use the command-line program curl, which most Mac and Linux machines have pre-installed.Ĭurl -i You should see the following response.įor Windows users, point your browser to and see the following result. This tutorial uses Node.js version 10.19.0. Ensure that Node.js is installed on your development machine. Using http i nbuilt module Using express third party module Using http module: HTTP and HTTPS, these two inbuilt modules are used to create a simple server. You will build web servers that can return JSON data, CSV files, and HTML web pages. Creating Web Servers Using NodeJS: There are mainly two ways as follows. Node.js web server at port 5000 is running. In this tutorial, you will learn how to build web servers using the http module that’s included in Node.js. Now, run the above web server as shown below. Finally, Node.js web server sends the response using end() method. Refer to the Introduction to Node.js for a more comprehensive guide to getting started with Node.js. Visit and you will see a message saying 'Hello World'. To send a response, first it sets the response header using writeHead() method and then writes a string as a response body using write() method. Now, run your web server using node app.js. In the above example, req.url is used to check the url of the current request and based on that it sends the response.
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